JPS63188816A - Rotary drum unit - Google Patents
Rotary drum unitInfo
- Publication number
- JPS63188816A JPS63188816A JP2081987A JP2081987A JPS63188816A JP S63188816 A JPS63188816 A JP S63188816A JP 2081987 A JP2081987 A JP 2081987A JP 2081987 A JP2081987 A JP 2081987A JP S63188816 A JPS63188816 A JP S63188816A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- rotating
- head
- rotating drum
- adhesive resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004840 adhesive resin Substances 0.000 claims abstract description 14
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 14
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は回転磁気ヘッド型磁気記録再生装置の回転磁気
ヘットの回転ドラムへの取付は構造に関するものである
。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to the structure of attaching a rotating magnetic head to a rotating drum in a rotating magnetic head type magnetic recording/reproducing device.
従来の技術
ビデオテープレコーダ、ディジタルオーディオテープレ
コーダなどの従来の回転磁気ヘッド型磁気記録再生装置
における回転磁気ヘッドの回転ドラムへの取付は構造を
第６図、第７図に示す。6 and 7 show the structure of mounting a rotating magnetic head on a rotating drum in a conventional rotating magnetic head type magnetic recording/reproducing apparatus such as a video tape recorder or a digital audio tape recorder.
即ち、第６図は回転ドラム１０のヘッド取付面１２に２
ケの回転磁気ヘッドユニット１４．１６を取付けた状態
を示す平面図である。また第７図は第６図のＢ−Ｂ’断
面の断面図である。上記回転磁気ヘッドユニット１４．
１６は磁性材料からなり磁気テープ当接面にギャップ部
を有するリング型へラドチップ１８に巻線２０を巻回し
たヘッド部２２と、ヘッド部２２をその取付面に接着固
着するヘッドベース部２４とからなる。そして回転磁気
ヘッドユニット１４．１６はへンドベース部２４を上記
ヘッド取付面１２にビス２６を用いてネジ止め固定され
ていることが一般的であった。この時、ヘッド部２２の
回転ドラム１０の周方向、径方向、軸高さ方向に対する
取付は精度の要求に対し、治工具などの外部装置を用い
て周方向、径方向の位置決め調整を行った後にビス２６
を締めつけ固定していた。また回転ドラムＩＯにネジこ
まれた調整ネジ２８によりヘッドベース部２４の一部を
突き撓ませるなどによりヘッド部２２の軸高さ方向の調
整を行なっていた。That is, in FIG. 6, there are two
FIG. 6 is a plan view showing a state in which two rotary magnetic head units 14 and 16 are attached. Further, FIG. 7 is a sectional view taken along the line BB' in FIG. 6. The rotating magnetic head unit 14.
Reference numeral 16 includes a head portion 22 in which a winding wire 20 is wound around a ring-shaped herad tip 18 made of a magnetic material and having a gap portion on the magnetic tape contact surface, and a head base portion 24 that adhesively fixes the head portion 22 to its mounting surface. Consisting of Generally, the rotating magnetic head unit 14, 16 has a hand base portion 24 fixed to the head mounting surface 12 using screws 26. At this time, the positioning of the head portion 22 in the circumferential direction, radial direction, and axial height direction of the rotating drum 10 was adjusted in the circumferential direction and radial direction using external devices such as jigs and tools to meet the requirements for accuracy. Later screw 26
was tightened and fixed. Further, the axial height of the head section 22 is adjusted by partially deflecting the head base section 24 using an adjustment screw 28 screwed into the rotating drum IO.
発明が解決しようとする問題点
従来の構造は回転ドラムの径が比較的大きく、回転磁気
ヘッドユニットの取付は数が少ない回転磁気ヘッド型磁
気記録再生装置においては問題視されなかったものの、
昨今の小型化、多機能化を追求する回転磁気ヘッド型磁
気記録再生装置では回転ドラムの径も小径化し、回転磁
気ヘンドユニソトの取付は数も増加しつつある。従って
従来の構造では配置上へソドベース部を設けること、更
にビス止めすることなどの従来の回転磁気ヘッドユニッ
トの取付けが困難であり、高精度が要求される位置決め
調整も困難である。Problems to be Solved by the Invention In the conventional structure, the diameter of the rotating drum is relatively large, and the installation of the rotating magnetic head unit was not considered a problem in a rotating magnetic head type magnetic recording/reproducing device, which has a small number of units.
In recent years, rotating magnetic head type magnetic recording and reproducing devices are pursuing miniaturization and multi-functionality, and the diameter of the rotating drum is also becoming smaller, and the number of rotating magnetic hend units being installed is increasing. Therefore, with the conventional structure, it is difficult to install the conventional rotary magnetic head unit by providing a horizontal base portion on the arrangement and fixing with screws, and it is also difficult to perform positioning adjustment that requires high precision.
本発明はかかる点に漏みてなされたもので簡易な構成の
回転ドラムに対する回転磁気ヘンドユニソトの取付は構
造を提供することを目的としている。The present invention has been made in view of this problem, and an object of the present invention is to provide a structure for attaching a rotating magnetic hend unit to a rotating drum with a simple structure.
問題点を解決するための手段
本発明は上記問題点を解決する為に回転磁気ヘッドを回
転ドラムの取付面に対し紫外線硬化型接着樹脂膜を介し
て取付け、硬化に際しては外部装置などによって回転磁
気ヘッドを保持し、回転ドラムの取付面に対して径方向
、周方向、軸高さ方向の所定の位置に調整し位置を定め
た後に硬化するようにして回転ドラムへの一体化を行な
うようにしたものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention attaches a rotating magnetic head to the mounting surface of a rotating drum via an ultraviolet curable adhesive resin film, and upon curing, a rotating magnetic head is attached to the mounting surface of a rotating drum using an external device or the like. The head is held and adjusted to a predetermined position in the radial direction, circumferential direction, and axial height direction with respect to the mounting surface of the rotating drum, and after the position is determined, it is hardened to integrate into the rotating drum. This is what I did.
作用
本発明は上述した構成により回転ドラムに対する回転磁
気ヘッドの高精度取付けを簡単に達成し、しかも極めて
狭スペースで達成できるものである。Effect of the Invention With the above-described configuration, the present invention can easily mount the rotating magnetic head to the rotating drum with high precision, and can also do so in an extremely narrow space.
実施例
以下本発明の一実施例について、図面を用いて説明する
。EXAMPLE An example of the present invention will be described below with reference to the drawings.
第１図は本発明の回転ドラムユニットの一実施例で回転
ドラムに回転磁気ヘッドを取付けた状態を示す平面図で
ある。第２図は第１図のＡ−Ａ’断面の断面図である。FIG. 1 is a plan view showing a state in which a rotating magnetic head is attached to a rotating drum in one embodiment of a rotating drum unit of the present invention. FIG. 2 is a sectional view taken along the line AA' in FIG. 1.
第１図、第２図において３０は回転磁気ヘッド型磁気記
録再生装置における回転ドラムで回転磁気ヘッド取付面
３２を端面部に有した円柱状の形状からなる。３４は回
転磁気ヘッドで上記回転磁気ヘッド３４は磁性材料から
なり磁気テープ当接面にギャップ部３６を有するリング
型へラドチップで鎖交して所定のターン数の巻線３８が
施されており、その線端はプリント板４０に半田付けさ
れ線処理されている。In FIGS. 1 and 2, reference numeral 30 denotes a rotating drum in a rotating magnetic head type magnetic recording/reproducing device, which has a cylindrical shape and has a rotating magnetic head mounting surface 32 on its end surface. Reference numeral 34 denotes a rotating magnetic head, and the rotating magnetic head 34 is made of a magnetic material and has a predetermined number of turns of winding 38 interlinked with a ring-shaped radial tip having a gap 36 on the magnetic tape contact surface. The ends of the wires are soldered to the printed board 40 and processed.
本実施例では２ケの回転磁気ヘッドが上記回転磁気ヘッ
ド取付面３２上に紫外線硬化型樹脂材料からなる接着樹
脂膜４２を介して取付は固着されている。この時、２ケ
の回転磁気ヘッド３４は回転ドラム３０に対し、径方向
に一定量外周より突出し周方向に略々１８０度割出し位
置決めされ、かつ軸高さ方向に２ケの高さが一致または
所定の高さを有して取付いている。In this embodiment, two rotating magnetic heads are fixedly mounted on the rotating magnetic head mounting surface 32 via an adhesive resin film 42 made of an ultraviolet curable resin material. At this time, the two rotating magnetic heads 34 protrude from the outer periphery of the rotating drum 30 by a certain amount in the radial direction, are indexed approximately 180 degrees in the circumferential direction, and are aligned in height in the axial height direction. Or installed at a specified height.
次に第３図、第４図、第５図を用いて上述の２ケの回転
磁気ヘッド３４の高精度取り付けのプロセスについて説
明する。Next, the process of highly accurate mounting of the two rotating magnetic heads 34 described above will be explained using FIGS. 3, 4, and 5.
第３図は回転ドラムに回転磁気ヘッドを取り付ける際、
多自由度多関節ロボットの外部装置を用いて回転磁気ヘ
ッドの所定の・取付は位置を保持して取付は固着する磁
気ヘッド固着装置の概略図である。４４は基準台で、回
転ドラム１０の中心穴４６と突起部４８の嵌合により回
転ドラム３０を位置決め載置する。５０．５２．５４．
５６は顕微鏡付ＴＶカメラで５０と５２は回転ドラム３
０の径方向に設置され回転磁気ヘッド３４の前面ギャッ
プ付近を撮るもので、あらかじめ回転ドラム３０の中心
を通る径方向に１８０゜の割出しを行ない設置されてい
る。５４と５６は回転磁気ヘッド３４の回転ドラム外周
からの突出し状態を撮るもので、所定の突出状態を見る
ことのできる位置に設置されている。５８は多自由度多
関節ロボットで、その先端保持部６０で回転磁気ヘッド
３４を保持して回転磁気ヘッド３４の取付面３２に対し
て径方向、周方向、軸高さ方向、及び各方向の姿勢を自
在に調整することが可能である。以上の装置において回
転磁気ヘット３４の取り付はプロセスを順次説明する。Figure 3 shows when attaching a rotating magnetic head to a rotating drum.
FIG. 2 is a schematic diagram of a magnetic head fixing device that holds a rotating magnetic head in a predetermined position and fixes the attachment using an external device of a multi-degree-of-freedom articulated robot. Reference numeral 44 denotes a reference base on which the rotary drum 30 is positioned and mounted by fitting the center hole 46 of the rotary drum 10 with the protrusion 48 . 50.52.54.
56 is a TV camera with a microscope, and 50 and 52 are rotating drums 3.
This device is installed in the radial direction of the rotary drum 30 and takes pictures of the vicinity of the front gap of the rotating magnetic head 34, and is installed by indexing 180 degrees in the radial direction passing through the center of the rotating drum 30 in advance. Reference numerals 54 and 56 are used to photograph the protruding state of the rotating magnetic head 34 from the outer periphery of the rotating drum, and are installed at positions where the predetermined protruding state can be seen. Reference numeral 58 is a multi-joint robot with many degrees of freedom, which holds the rotating magnetic head 34 with its tip holding part 60 and rotates the rotating magnetic head 34 in the radial direction, circumferential direction, axial height direction, and each direction with respect to the mounting surface 32 of the rotating magnetic head 34. It is possible to freely adjust the posture. The installation process of the rotating magnetic head 34 in the above apparatus will be explained in order.
まず回転ドラム３００回転磁気ヘッド取付面３２の第１
の回転磁気ヘッド３４ａが取付けられる予定近傍位置に
ディスペンサー装置（図示せず）を用いて一定の量の紫
外線硬化型接着樹脂を滴らす。First, the first part of the rotating magnetic head mounting surface 32 of the rotating drum 300
Using a dispenser device (not shown), a predetermined amount of ultraviolet curable adhesive resin is dripped at a position near where the rotating magnetic head 34a is planned to be attached.
次に多自由度多関節ロボット５８の先端に保持された回
転磁気ヘッド３４ａのへソドチップを上述の紫外線硬化
型接着樹脂４２ａ上に載置する。この時紫外線硬化型接
着樹脂４２ａはまだ硬化していないので多自由度多関節
ロボット５８によって自在に回転磁気ヘッド３４ａの位
置、姿勢を変えることは可能である。回転磁気ヘッド３
４ａの位置のチェックは５０．５４の顕微鏡付ＴＶカメ
ラで行ない、周方向及び軸高さ方向の位置決めは第４図
に示す様な撮影像で、あらかじめ設けられた十文字の基
準線６２の交点に回転磁気ヘッド３４前面のギャップ６
４中心が一致した時を完了としている。また径方向の位
置決めは第５図に示す様な撮影像であらかじめ設けられ
た直線の基′＄線６６に回転磁気ヘッド３４先端が一致
した時を完了としている。第４図、第５図に示した状態
に回転磁気ヘッド３４ａが調整された時、上述の紫外線
硬化型接着樹脂膜４２に外部の紫外線発光装置（図示せ
ず）より紫外光が照射され上述の接着樹脂膜４２を即座
に硬化させる。第２の回転磁気ヘッド３４ｂも同様のプ
ロセスで取付は硬化される。Next, the belly tip of the rotating magnetic head 34a held at the tip of the multi-degree-of-freedom articulated robot 58 is placed on the ultraviolet curing adhesive resin 42a. At this time, since the ultraviolet curing adhesive resin 42a has not yet hardened, the multi-degree-of-freedom articulated robot 58 can freely change the position and posture of the rotating magnetic head 34a. Rotating magnetic head 3
The position of 4a was checked using a TV camera with a microscope attached to 50.54, and the positioning in the circumferential direction and axial height direction was performed using the captured image as shown in Fig. 4, at the intersection of the cross-shaped reference line 62 set in advance. Gap 6 in front of rotating magnetic head 34
The process is completed when the four centers coincide. The positioning in the radial direction is completed when the tip of the rotary magnetic head 34 coincides with the base line 66 of a straight line set in advance in a photographed image as shown in FIG. When the rotating magnetic head 34a is adjusted to the state shown in FIGS. 4 and 5, the above-mentioned ultraviolet curable adhesive resin film 42 is irradiated with ultraviolet light from an external ultraviolet light emitting device (not shown), and the above-mentioned The adhesive resin film 42 is immediately cured. The attachment of the second rotating magnetic head 34b is also hardened using the same process.
以上の本発明は、従来の磁気へソドユニソトをビス止め
を廃止して回転ドラムに取付けることも可能であること
は明白であろう。It will be clear that the present invention described above makes it possible to attach the conventional magnetic helix to a rotating drum without using screws.
発明の効果
以上の様な本発明によれば従来のビス止めによる複雑な
回転磁気ヘッド取付は調整の必要がなく、またビス止め
のスペースも必要とせず、簡易な構成で取付けを可能と
する。従って本発明は回転ドラムの小径化、回転磁気ヘ
ッドの数の増加に対応しうる有効な構造である。Effects of the Invention According to the present invention, it is possible to mount the rotary magnetic head with a simple configuration without the need for adjustment of the conventional complicated mounting of a rotating magnetic head using screws, and without requiring space for screws. Therefore, the present invention is an effective structure that can cope with the reduction in the diameter of the rotating drum and the increase in the number of rotating magnetic heads.
第１図は本発明の一実施例で回転ドラムの平面図、第２
図は第１図のＡ−Ａ ’断面図、第３図は磁気ヘット固
着装置の概略図、第４図は回転磁気ヘッド前面の撮影像
図、第５図は回転磁気ヘッド上端面の撮影像図、第６図
は従来の回転ドラムの平面図、第７図は第６図のＢ−Ｂ
’断面図である。
３０・・・・・・回転ドラム、３４・・・・・・回転磁
気ヘッド、４２・・・・・・紫外線硬化型接着樹脂、５
０．５２．５４．５６・・・・・・顕微鏡付ＴＶカメラ
、５８・・・・・・多自由度多関節ロボット。
代理人の氏名 弁理士 中尾敏男 はか１名３０一回転
ドラム
３２− 回転磁気ヘッド取付面
〆−ａ転磁気ヘッド
３８− 巻 轢
第１図
Ｚ
第２図
第３図
ａ
第４図 第５図
第６図
第７図FIG. 1 is a plan view of a rotating drum according to an embodiment of the present invention, and FIG.
The figure is a sectional view taken along line A-A' in Figure 1, Figure 3 is a schematic diagram of the magnetic head fixing device, Figure 4 is a photographed image of the front surface of the rotating magnetic head, and Figure 5 is a photographed image of the upper end surface of the rotating magnetic head. Figure 6 is a plan view of a conventional rotating drum, and Figure 7 is B-B in Figure 6.
'This is a cross-sectional view. 30... Rotating drum, 34... Rotating magnetic head, 42... Ultraviolet curing adhesive resin, 5
0.52.54.56...TV camera with microscope, 58...Multi-joint robot with multiple degrees of freedom. Name of agent Patent attorney Toshio Nakao 1 person 30 Rotating drum 32 Rotating magnetic head mounting surface A Rotating magnetic head 38 Volume Roll Figure 1 Z Figure 2 Figure 3 a Figure 4 Figure 5 Figure 6 Figure 7
Claims (4)
一体的に内蔵した回転磁気ヘッドにより信号の磁気記録
再生を行なうようにした回転磁気ヘッド型磁気記録再生
装置であって、上記回転磁気ヘッドは上記回転ドラムの
取付面に対し、接着樹脂膜を介して取付け固着されてい
ることを特徴とする回転ドラムユニット。(1) A rotating magnetic head type magnetic recording and reproducing device in which a magnetic tape is guided around the outer periphery of a cylindrical rotating drum, and signals are magnetically recorded and reproduced by an integrally built-in rotating magnetic head, which A rotating drum unit characterized in that the head is attached and fixed to the mounting surface of the rotating drum via an adhesive resin film.
付面に対し、径方向、周方向、軸高さ方向の所定の位置
に外部装置などによって保持された状態で硬化したもの
であることを特徴とする特許請求の範囲第（１）項記載
の回転ドラムユニット。(2) The adhesive resin film must be cured while the rotating magnetic head is held at a predetermined position in the radial direction, circumferential direction, and axial height direction with respect to the mounting surface of the rotating drum by an external device, etc. A rotating drum unit according to claim (1), characterized in that:
接面にギャップ部を有するリング型ヘッドチップに巻線
を巻回したものであることを特徴とする特許請求の範囲
第（１）項記載の回転ドラムユニット。(3) The rotating magnetic head is made of a magnetic material and has a winding wound around a ring-shaped head chip having a gap on the magnetic tape contact surface. rotating drum unit.
樹脂材料からなることを特徴とする特許請求の範囲第（
１）項、第（２）項または第（３）項のいずれかに記載
の回転ドラムユニット。(4) The adhesive resin film is made of an ultraviolet curable resin material that is photocurable with ultraviolet light.
The rotating drum unit according to any one of item 1), item (2), or item (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2081987A JPS63188816A (en) | 1987-01-30 | 1987-01-30 | Rotary drum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2081987A JPS63188816A (en) | 1987-01-30 | 1987-01-30 | Rotary drum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63188816A true JPS63188816A (en) | 1988-08-04 |
Family
ID=12037641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2081987A Pending JPS63188816A (en) | 1987-01-30 | 1987-01-30 | Rotary drum unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63188816A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05320584A (en) * | 1991-05-21 | 1993-12-03 | Alps Electric Co Ltd | Bonded structure |
| EP0633561A2 (en) * | 1993-06-28 | 1995-01-11 | Hitachi, Ltd. | Multichannel rotary magnetic head apparatus |
| US8866017B2 (en) | 2011-03-04 | 2014-10-21 | Junkosha, Inc. | Transmission cable |
-
1987
- 1987-01-30 JP JP2081987A patent/JPS63188816A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05320584A (en) * | 1991-05-21 | 1993-12-03 | Alps Electric Co Ltd | Bonded structure |
| EP0633561A2 (en) * | 1993-06-28 | 1995-01-11 | Hitachi, Ltd. | Multichannel rotary magnetic head apparatus |
| EP0633561A3 (en) * | 1993-06-28 | 1996-10-23 | Hitachi Ltd | Multichannel rotary magnetic head apparatus. |
| US8866017B2 (en) | 2011-03-04 | 2014-10-21 | Junkosha, Inc. | Transmission cable |
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